Ensure the old API returns the old values

ee/app/models/software_license_policy.rb

@@ -14,7 +14,7 @@ class SoftwareLicensePolicy < ApplicationRecord
   attr_readonly :software_license
 
   enum classification: {
-      denied: 0,
+    denied: 0,
       approved: 1
   }
 

ee/lib/ee/api/entities.rb

@@ -861,7 +861,9 @@ module EE
 
       class ManagedLicense < Grape::Entity
         expose :id, :name
-        expose :classification, as: :approval_status
+        expose :classification, as: :approval_status do |policy|
+          policy.denied? ? 'blacklisted' : policy.classification
+        end
       end
 
       class ProjectAlias < Grape::Entity

ee/spec/requests/api/managed_licenses_spec.rb

@@ -38,7 +38,7 @@ describe API::ManagedLicenses do
         expect(json_response).to be_a(Array)
         expect(json_response.first['id']).to eq(software_license_policy.id)
         expect(json_response.first['name']).to eq(software_license_policy.name)
-        expect(json_response.first['approval_status']).to eq(software_license_policy.classification)
+        expect(json_response.first['approval_status']).to eq('approved')
       end
     end
 
@@ -51,7 +51,7 @@ describe API::ManagedLicenses do
         expect(json_response).to be_a(Array)
         expect(json_response.first['id']).to eq(software_license_policy.id)
         expect(json_response.first['name']).to eq(software_license_policy.name)
-        expect(json_response.first['approval_status']).to eq(software_license_policy.classification)
+        expect(json_response.first['approval_status']).to eq('approved')
       end
     end
 
@@ -92,7 +92,7 @@ describe API::ManagedLicenses do
         expect(response).to match_response_schema('software_license_policy', dir: 'ee')
         expect(json_response['id']).to eq(software_license_policy.id)
         expect(json_response['name']).to eq(software_license_policy.name)
-        expect(json_response['approval_status']).to eq(software_license_policy.classification)
+        expect(json_response['approval_status']).to eq('approved')
       end
 
       it 'returns project managed license details using the license name as key' do
@@ -103,7 +103,7 @@ describe API::ManagedLicenses do
         expect(response).to match_response_schema('software_license_policy', dir: 'ee')
         expect(json_response['id']).to eq(software_license_policy.id)
         expect(json_response['name']).to eq(software_license_policy.name)
-        expect(json_response['approval_status']).to eq(software_license_policy.classification)
+        expect(json_response['approval_status']).to eq('approved')
       end
 
       it 'responds with 404 Not Found if requesting non-existing managed license' do
@@ -121,7 +121,7 @@ describe API::ManagedLicenses do
         expect(response).to match_response_schema('software_license_policy', dir: 'ee')
         expect(json_response['id']).to eq(software_license_policy.id)
         expect(json_response['name']).to eq(software_license_policy.name)
-        expect(json_response['approval_status']).to eq(software_license_policy.classification)
+        expect(json_response['approval_status']).to eq('approved')
       end
     end
 
@@ -220,10 +220,10 @@ describe API::ManagedLicenses do
         # Check that response is equal to the updated object
         expect(json_response['id']).to eq(initial_id)
         expect(json_response['name']).to eq(updated_software_license_policy.name)
-        expect(json_response['approval_status']).to eq(updated_software_license_policy.classification)
+        expect(json_response['approval_status']).to eq('blacklisted')
 
         # Check that the approval status was updated
-        expect(updated_software_license_policy.classification).to eq('blacklisted')
+        expect(updated_software_license_policy).to be_denied
 
         # Check that response is equal to the old object except for the approval status
         expect(initial_id).to eq(updated_software_license_policy.id)